Metroid - Fusion (FlashAdvance) ROM Download for Gameboy Advance (GBA) on Emulator Games. Play Metroid - Fusion (FlashAdvance) game that is available in the United States of America (USA) version only on this website. Metroid - Fusion (FlashAdvance) is a Gameboy Advance emulator game that you can download to your computer or play online within your browser. You can also download free ROMs such as Metroid - Zero Mission, Metroid Fusion and Golden Sun 2 - La Edad Perdida (S)(FlashAdvance) as shown below. Metroid - Fusion (FlashAdvance) works on all your devices in high quality.